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Roll No.
Total No. of Pages : 01
Total No. of Questions : 08
M.Tech (Civil Engg.) EL-III (2016 Batch)
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(Sem.-3)
GROUND WATER AND CONTAMINATION HYDROLOGY
Subject Code : MTCE -217
M.Code: 74766
Time: 3 Hrs.
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Max. Marks : 100
INSTRUCTIONS TO CANDIDATES :
- Attempt any FIVE questions out of EIGHT questions.
- Each question carries TWENTY marks.
- Assume any missing data.
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- From the basic principles, analyze the flow of groundwater through an elemental prism and establish the relationship between storage coefficient and tidal efficiencies.
- a) Distinguish between groundwater contours and water table contours.
b) "The coefficient of storage of an artesian aquifer represents the entire thickness of the aquifer, whereas the coefficient of storage of a free aquifer does not” elucidate. - a) Show that for a pumping well located at a distance x from a recharge source, the drawdown is almost the same as that of a circular island aquifer of radius 2x.
b) Explain the image well theory, as applied to groundwater hydraulics. - From the basic principles, develop the non-equilibrium equations for unsteady radial flow into an artesian well under non-leaky and leaky conditions.
- Develop and discuss the applicability of the RC network analog models in groundwater studies.
- Explain the electrical resistivity and seismic refraction method for groundwater prediction.
- a) Describe the tracer test as applied to groundwater pollution studies.
b) Propose a basic dispersion model to understand the solute transport in groundwater system. Discuss the applicability. - Write short notes on :
- Flow net
- Thiem's theory
- Groundwater recharge
- Scale effects of dispersion
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
1| M-74766
(S9)-463
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